Hawk Replacement Plug and 5 Year Warranty for Dell Studio 13 1435 15 1535 1536 1537 16 17 1735 1736 1737 Studio XPS 13 1340 16 1640 Laptop Ac Adapter Notebook Computer Power Battery Charger 90w 19.5v 5 year warranty compatible to orginal manufacturer equipment Over current, voltage protection 19.5V,65-90w ,3.5A-4.62A low cost, quality replacement to oem equipment